COMPLETE 2014+ 4.3L LV1 GEN V ENGINE REBUILD KIT – Genuine GM 12721599 Camshaft (193/199 Duration at .050\", .502\"/.494\" Valve Lift, 113 LSA), 16 GM Performance ACDelco 12499225 Roller Lifters with Lifter Trays, Full Upper Head Gasket Set with MLS Head Gaskets, and 2 Sets of Elgin or Fel-Pro USA Made Head Bolts. Every component in this kit is made in the USA — the most complete 100% USA Made GM 12721599 camshaft and valvetrain rebuild kit for 2014+ 4.3L LV1 Gen V engines — one order one shipment zero guesswork. Lifetime warranty if installed by a certified machinist.
GENUINE GM 12721599 CAMSHAFT – FACTORY OEM QUALITY MADE IN USA – The Genuine GM 12721599 is the official factory camshaft for the LV1 4.3L Gen V platform — featuring 193/199 duration at .050\", .502\"/.494\" asymmetric valve lift, and 113 LSA delivering a rock solid factory smooth idle with excellent manifold vacuum and stock-like drivability. This camshaft features lobe profiles that pair correctly with standard GM Performance roller lifters — ensuring proper valvetrain operation reliable long term engine performance and a smooth factory-like idle on any 2014+ 4.3L LV1 build. The correct OEM solution for any 4.3L LV1 top end rebuild.
16 GM PERFORMANCE ACDELCO 12499225 ROLLER LIFTERS WITH LIFTER TRAYS – MADE IN USA – GM Performance ACDelco 12499225 roller lifters are the gold standard for Gen V engine rebuilds — wider more stable and built to handle the demands of a high performance valvetrain. Purpose-built for reliable long-term operation these GM Performance lifters reduce friction improve oiling and stability at high RPM maintain correct cam and lifter contact patterns for longer life and simplify break-in for reliable valvetrain performance under load. Lifter trays included to keep everything properly oriented during installation — made in the USA.
PREMIUM MLS HEAD GASKET SET – MADE IN USA – Full upper head gasket set featuring Multi-Layer Steel MLS technology — multiple layers of embossed steel with elastomeric coatings delivering superior crush resistance and long-term sealing reliability that composite gaskets simply cannot match under the high cylinder pressures of the 4.3L LV1 Gen V platform. Any time the heads come off on a Gen V engine you do the job right the first time — premium MLS head gaskets ensure a permanent leak free seal that will outlast the engine itself. Made in the USA.
ELGIN OR FEL-PRO USA MADE HEAD BOLTS – Two complete sets of premium Elgin or Fel-Pro torque-to-yield head bolts proudly manufactured in the United States from high-tensile steel — engineered to meet factory clamping load specifications for Gen V aluminum blocks. These TTY fasteners provide the specific clamping load required to ensure a secure leak-free bond between the head and block that factory spec demands. USA made and built to last.
100% USA MADE – THE MOST COMPLETE 4.3L LV1 GEN V REBUILD KIT AVAILABLE – Every single component in this kit is proudly made in the United States — Genuine GM 12721599 camshaft, GM Performance ACDelco 12499225 lifters with trays, premium MLS head gaskets, and Elgin or Fel-Pro USA made head bolts. Whether you are addressing a lifter failure refreshing the valvetrain or performing a complete top end rebuild — this kit has everything needed for a clean professional install with nothing left out. No last minute parts store runs no delays — everything is right here in one box.
